78609200

素因数分解:

$2^4\times 5^2\times {\mathrm{196523}}^1$

素因数の和:196541

約数の個数: 30

約数和(自身を含む): 188859564

約数和(自身を除く): 110250364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 196523, 393046, 786092, 982615, 1572184, 1965230, 3144368, 3930460, 4913075, 7860920, 9826150, 15721840, 19652300, 39304600, 78609200]

約数ペア:

[(1, 78609200), (2, 39304600), (4, 19652300), (5, 15721840), (8, 9826150), (10, 7860920), (16, 4913075), (20, 3930460), (25, 3144368), (40, 1965230), (50, 1572184), (80, 982615), (100, 786092), (200, 393046), (400, 196523)]